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Finding the Fourth Proportional to 18,398.48, 27,595.08 and 5,916.85

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Solution

The fourth proportional to 18,398.48, 27,595.08 and 5,916.85 is: 8,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.48 : 27,595.08 = 5,916.85 : x
  2. Step 2: Convert to fraction form
    18,398.48/27,595.08 = 5,916.85/x
  3. Step 3: Cross multiply
    18,398.48x = 27,595.08 × 5,916.85
  4. Step 4: Simplify right side
    18,398.48x = 163,275,880.11
  5. Step 5: Solve for x
    x = 163,275,880.11/18,398.48
  6. Step 6: Final answer
    x = 8,874.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.